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Basic Science and Pathogenesis.
Alzheimers Dement
December 2024
University of Newcastle, Callaghan, NSW, Australia.
Background: UK Biobank data show mutations related to the iron disorder hemochromatosis can approximately double the risk of dementia, in particular clinically diagnosed vascular dementia. Insights into the etiology of this dementia may be provided by cerebrovasculopathy in our new "Aβ+Iron" mouse model, which combines hemochromatosis-related mutations and amyloidosis, with increases in soluble Aβ species and plaques. This was created by crossing an established APP/PS1 model of β-amyloidosis with our reported HfexTfr2 model of hemochromatosis-related mutations exhibiting brain iron dyshomeostasis (Heidari Mol.
View Article and Find Full Text PDFFirst report of iron-overload myopathy due to secondary hemochromatosis in a dog.
J Vet Sci
December 2024
Department of Veterinary Pathology, College of Veterinary Medicine, Kyungpook National University, Daegu 41566, Korea.
Importance: Hemochromatosis is rare in domestic animals, and iron-induced myopathy has not been reported in veterinary medicine. This case is the first report of iron-overload myopathy owing to hemochromatosis in a dog.
Case Presentation: A 9-year-old spayed female Donggyeong dog presented with severe forelimb lameness.
Yersiniosis has a causal relationship with hereditary hemochromatosis (HH). Physicians should have a high index of suspicion for the diagnosis of HH when approaching a patient with yersiniosis in the setting of high ferritin levels and increased iron saturation. Yersiniosis serves as a precursor for the diagnosis of HH.
View Article and Find Full Text PDFNon-HFE Hemochromatosis in the Context of β-Thalassemia Trait: A Case Study on Iron Overload Dysregulation.
Cureus
November 2024
Internal Medicine, Creighton University School of Medicine, St. Joseph's Hospital and Medical Center, Phoenix, USA.
Thalassemia and hemochromatosis are two distinct conditions that involve dysregulation of iron metabolism, though their origin, clinical presentations, and treatments differ. This case represents a patient with incidentally discovered microcytic anemia due to β-thalassemia trait and non- hemochromatosis. It discusses the potential synergistic effect of these two diseases on iron overload and highlights the need for further testing to determine hereditary versus secondary causes of hemochromatosis.
View Article and Find Full Text PDFA decade of iron overload disorders and hemochromatosis: clinical and genetic findings from a specialized center in Colombia.
Front Med (Lausanne)
December 2024
One Health Research Group, Univerisdad de las Americas, Quito, Ecuador.
Background: Iron overload disorders, including hereditary hemochromatosis (HH), are characterized by excessive iron accumulation, which can cause severe organ damage. HH is most associated with the C282Y mutation in Caucasian populations, but its prevalence and genetic profiles in Latin American populations remain underexplored.
Objectives: To describe the clinical manifestations, genetic profiles, and biochemical characteristics of patients with suspected iron overload disorders in a specialized hematology center in Cali, Colombia.
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